Twin primes are a special existence in mathematics.

My scientific calculator can perform very advanced calculations.

Listening to music is really enjoyable.

He was ruing his past mistakes.

He stared at the corpse, trembling with fear.

We shared the progress of the project in a video conference.

The Taiwan Strait is the strait that separates China and Taiwan.

We went to the swimming beach with our family during the summer vacation.

He was promoted to Admiral of the Fleet.

It is generally believed that the life of the middle class is stable.